31608780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:288

約数の個数: 192

約数和(自身を含む): 113218560

約数和(自身を除く): 81609780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 28, 30, 34, 35, 38, 42, 51, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 133, 140, 170, 190, 204, 210, 228, 233, 238, 255, 266, 285, 323, 340, 357, 380, 399, 420, 466, 476, 510, 532, 570, 595, 646, 665, 699, 714, 798, 932, 969, 1020, 1140, 1165, 1190, 1292, 1330, 1398, 1428, 1596, 1615, 1631, 1785, 1938, 1995, 2261, 2330, 2380, 2660, 2796, 3230, 3262, 3495, 3570, 3876, 3961, 3990, 4427, 4522, 4660, 4845, 4893, 6460, 6524, 6783, 6990, 7140, 7922, 7980, 8155, 8854, 9044, 9690, 9786, 11305, 11883, 13281, 13566, 13980, 15844, 16310, 17708, 19380, 19572, 19805, 22135, 22610, 23766, 24465, 26562, 27132, 27727, 30989, 32620, 33915, 39610, 44270, 45220, 47532, 48930, 53124, 55454, 59415, 61978, 66405, 67830, 75259, 79220, 83181, 88540, 92967, 97860, 110908, 118830, 123956, 132810, 135660, 138635, 150518, 154945, 166362, 185934, 225777, 237660, 265620, 277270, 301036, 309890, 332724, 371868, 376295, 415905, 451554, 464835, 526813, 554540, 619780, 752590, 831810, 903108, 929670, 1053626, 1128885, 1505180, 1580439, 1663620, 1859340, 2107252, 2257770, 2634065, 3160878, 4515540, 5268130, 6321756, 7902195, 10536260, 15804390, 31608780]

約数ペア:

[(1, 31608780), (2, 15804390), (3, 10536260), (4, 7902195), (5, 6321756), (6, 5268130), (7, 4515540), (10, 3160878), (12, 2634065), (14, 2257770), (15, 2107252), (17, 1859340), (19, 1663620), (20, 1580439), (21, 1505180), (28, 1128885), (30, 1053626), (34, 929670), (35, 903108), (38, 831810), (42, 752590), (51, 619780), (57, 554540), (60, 526813), (68, 464835), (70, 451554), (76, 415905), (84, 376295), (85, 371868), (95, 332724), (102, 309890), (105, 301036), (114, 277270), (119, 265620), (133, 237660), (140, 225777), (170, 185934), (190, 166362), (204, 154945), (210, 150518), (228, 138635), (233, 135660), (238, 132810), (255, 123956), (266, 118830), (285, 110908), (323, 97860), (340, 92967), (357, 88540), (380, 83181), (399, 79220), (420, 75259), (466, 67830), (476, 66405), (510, 61978), (532, 59415), (570, 55454), (595, 53124), (646, 48930), (665, 47532), (699, 45220), (714, 44270), (798, 39610), (932, 33915), (969, 32620), (1020, 30989), (1140, 27727), (1165, 27132), (1190, 26562), (1292, 24465), (1330, 23766), (1398, 22610), (1428, 22135), (1596, 19805), (1615, 19572), (1631, 19380), (1785, 17708), (1938, 16310), (1995, 15844), (2261, 13980), (2330, 13566), (2380, 13281), (2660, 11883), (2796, 11305), (3230, 9786), (3262, 9690), (3495, 9044), (3570, 8854), (3876, 8155), (3961, 7980), (3990, 7922), (4427, 7140), (4522, 6990), (4660, 6783), (4845, 6524), (4893, 6460)]